Statistical Techniques in Business and Economics
Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
Question
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Chapter 18, Problem 1SR

a.

To determine

To draw: The graph of the given time series data.

b.

To determine

To describe: The given time series data.

c.

To determine

To explain: The reason that forecasting with a simple moving average is appropriate for the given time series.

d.

To determine

To calculate: The simple moving average forecast model based on four periods and MAD.

e.

To determine

To calculate: The forecast using four-period model.

f.

To determine

To calculate: The simple moving average forecast model based on eight periods and MAD.

g.

To determine

To explain: The better of four-period or an eight-period simple moving average model with reason.

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